//  ratio_io
//
//  (C) Copyright Howard Hinnant
//  Use, modification and distribution are subject to the Boost Software License,
//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt).

#ifndef _RATIO_IO
#define _RATIO_IO

/*

    ratio_io synopsis

#include <ratio>
#include <string>

namespace std
{

template <class Ratio, class charT>
struct ratio_string
{
    static basic_string<charT> symbol();
    static basic_string<charT> prefix();
};

}  // std

*/

#include <ratio>
#include <string>
#include <sstream>

//_LIBCPP_BEGIN_NAMESPACE_STD

namespace std
{
	template <class _Ratio, class _CharT>
	struct ratio_string
	{
		static basic_string<_CharT> symbol() {return prefix();}
		static basic_string<_CharT> prefix();
	};

	template <class _Ratio, class _CharT>
	basic_string<_CharT>
	ratio_string<_Ratio, _CharT>::prefix()
	{
		basic_ostringstream<_CharT> __os;
		__os << _CharT('[') << _Ratio::num << _CharT('/')
							<< _Ratio::den << _CharT(']');
		return __os.str();
	}

	// atto

	template <>
	struct ratio_string<atto, char>
	{
		static string symbol() {return string(1, 'a');}
		static string prefix()  {return string("atto");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<atto, char16_t>
	{
		static u16string symbol() {return u16string(1, u'a');}
		static u16string prefix()  {return u16string(u"atto");}
	};

	template <>
	struct ratio_string<atto, char32_t>
	{
		static u32string symbol() {return u32string(1, U'a');}
		static u32string prefix()  {return u32string(U"atto");}
	};

#endif

	template <>
	struct ratio_string<atto, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'a');}
		static wstring prefix()  {return wstring(L"atto");}
	};

	// femto

	template <>
	struct ratio_string<femto, char>
	{
		static string symbol() {return string(1, 'f');}
		static string prefix()  {return string("femto");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<femto, char16_t>
	{
		static u16string symbol() {return u16string(1, u'f');}
		static u16string prefix()  {return u16string(u"femto");}
	};

	template <>
	struct ratio_string<femto, char32_t>
	{
		static u32string symbol() {return u32string(1, U'f');}
		static u32string prefix()  {return u32string(U"femto");}
	};

#endif

	template <>
	struct ratio_string<femto, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'f');}
		static wstring prefix()  {return wstring(L"femto");}
	};

	// pico

	template <>
	struct ratio_string<pico, char>
	{
		static string symbol() {return string(1, 'p');}
		static string prefix()  {return string("pico");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<pico, char16_t>
	{
		static u16string symbol() {return u16string(1, u'p');}
		static u16string prefix()  {return u16string(u"pico");}
	};

	template <>
	struct ratio_string<pico, char32_t>
	{
		static u32string symbol() {return u32string(1, U'p');}
		static u32string prefix()  {return u32string(U"pico");}
	};

#endif

	template <>
	struct ratio_string<pico, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'p');}
		static wstring prefix()  {return wstring(L"pico");}
	};

	// nano

	template <>
	struct ratio_string<nano, char>
	{
		static string symbol() {return string(1, 'n');}
		static string prefix()  {return string("nano");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<nano, char16_t>
	{
		static u16string symbol() {return u16string(1, u'n');}
		static u16string prefix()  {return u16string(u"nano");}
	};

	template <>
	struct ratio_string<nano, char32_t>
	{
		static u32string symbol() {return u32string(1, U'n');}
		static u32string prefix()  {return u32string(U"nano");}
	};

#endif

	template <>
	struct ratio_string<nano, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'n');}
		static wstring prefix()  {return wstring(L"nano");}
	};

	// micro

	template <>
	struct ratio_string<micro, char>
	{
		static string symbol() {return string("\xC2\xB5");}
		static string prefix()  {return string("micro");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<micro, char16_t>
	{
		static u16string symbol() {return u16string(1, u'\xB5');}
		static u16string prefix()  {return u16string(u"micro");}
	};

	template <>
	struct ratio_string<micro, char32_t>
	{
		static u32string symbol() {return u32string(1, U'\xB5');}
		static u32string prefix()  {return u32string(U"micro");}
	};

#endif

	template <>
	struct ratio_string<micro, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'\xB5');}
		static wstring prefix()  {return wstring(L"micro");}
	};

	// milli

	template <>
	struct ratio_string<milli, char>
	{
		static string symbol() {return string(1, 'm');}
		static string prefix()  {return string("milli");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<milli, char16_t>
	{
		static u16string symbol() {return u16string(1, u'm');}
		static u16string prefix()  {return u16string(u"milli");}
	};

	template <>
	struct ratio_string<milli, char32_t>
	{
		static u32string symbol() {return u32string(1, U'm');}
		static u32string prefix()  {return u32string(U"milli");}
	};

#endif

	template <>
	struct ratio_string<milli, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'm');}
		static wstring prefix()  {return wstring(L"milli");}
	};

	// centi

	template <>
	struct ratio_string<centi, char>
	{
		static string symbol() {return string(1, 'c');}
		static string prefix()  {return string("centi");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<centi, char16_t>
	{
		static u16string symbol() {return u16string(1, u'c');}
		static u16string prefix()  {return u16string(u"centi");}
	};

	template <>
	struct ratio_string<centi, char32_t>
	{
		static u32string symbol() {return u32string(1, U'c');}
		static u32string prefix()  {return u32string(U"centi");}
	};

#endif

	template <>
	struct ratio_string<centi, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'c');}
		static wstring prefix()  {return wstring(L"centi");}
	};

	// deci

	template <>
	struct ratio_string<deci, char>
	{
		static string symbol() {return string(1, 'd');}
		static string prefix()  {return string("deci");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<deci, char16_t>
	{
		static u16string symbol() {return u16string(1, u'd');}
		static u16string prefix()  {return u16string(u"deci");}
	};

	template <>
	struct ratio_string<deci, char32_t>
	{
		static u32string symbol() {return u32string(1, U'd');}
		static u32string prefix()  {return u32string(U"deci");}
	};

#endif

	template <>
	struct ratio_string<deci, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'd');}
		static wstring prefix()  {return wstring(L"deci");}
	};

	// deca

	template <>
	struct ratio_string<deca, char>
	{
		static string symbol() {return string("da");}
		static string prefix()  {return string("deca");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<deca, char16_t>
	{
		static u16string symbol() {return u16string(u"da");}
		static u16string prefix()  {return u16string(u"deca");}
	};

	template <>
	struct ratio_string<deca, char32_t>
	{
		static u32string symbol() {return u32string(U"da");}
		static u32string prefix()  {return u32string(U"deca");}
	};

#endif

	template <>
	struct ratio_string<deca, wchar_t>
	{
		static wstring symbol() {return wstring(L"da");}
		static wstring prefix()  {return wstring(L"deca");}
	};

	// hecto

	template <>
	struct ratio_string<hecto, char>
	{
		static string symbol() {return string(1, 'h');}
		static string prefix()  {return string("hecto");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<hecto, char16_t>
	{
		static u16string symbol() {return u16string(1, u'h');}
		static u16string prefix()  {return u16string(u"hecto");}
	};

	template <>
	struct ratio_string<hecto, char32_t>
	{
		static u32string symbol() {return u32string(1, U'h');}
		static u32string prefix()  {return u32string(U"hecto");}
	};

#endif

	template <>
	struct ratio_string<hecto, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'h');}
		static wstring prefix()  {return wstring(L"hecto");}
	};

	// kilo

	template <>
	struct ratio_string<kilo, char>
	{
		static string symbol() {return string(1, 'k');}
		static string prefix()  {return string("kilo");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<kilo, char16_t>
	{
		static u16string symbol() {return u16string(1, u'k');}
		static u16string prefix()  {return u16string(u"kilo");}
	};

	template <>
	struct ratio_string<kilo, char32_t>
	{
		static u32string symbol() {return u32string(1, U'k');}
		static u32string prefix()  {return u32string(U"kilo");}
	};

#endif

	template <>
	struct ratio_string<kilo, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'k');}
		static wstring prefix()  {return wstring(L"kilo");}
	};

	// mega

	template <>
	struct ratio_string<mega, char>
	{
		static string symbol() {return string(1, 'M');}
		static string prefix()  {return string("mega");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<mega, char16_t>
	{
		static u16string symbol() {return u16string(1, u'M');}
		static u16string prefix()  {return u16string(u"mega");}
	};

	template <>
	struct ratio_string<mega, char32_t>
	{
		static u32string symbol() {return u32string(1, U'M');}
		static u32string prefix()  {return u32string(U"mega");}
	};

#endif

	template <>
	struct ratio_string<mega, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'M');}
		static wstring prefix()  {return wstring(L"mega");}
	};

	// giga

	template <>
	struct ratio_string<giga, char>
	{
		static string symbol() {return string(1, 'G');}
		static string prefix()  {return string("giga");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<giga, char16_t>
	{
		static u16string symbol() {return u16string(1, u'G');}
		static u16string prefix()  {return u16string(u"giga");}
	};

	template <>
	struct ratio_string<giga, char32_t>
	{
		static u32string symbol() {return u32string(1, U'G');}
		static u32string prefix()  {return u32string(U"giga");}
	};

#endif

	template <>
	struct ratio_string<giga, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'G');}
		static wstring prefix()  {return wstring(L"giga");}
	};

	// tera

	template <>
	struct ratio_string<tera, char>
	{
		static string symbol() {return string(1, 'T');}
		static string prefix()  {return string("tera");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<tera, char16_t>
	{
		static u16string symbol() {return u16string(1, u'T');}
		static u16string prefix()  {return u16string(u"tera");}
	};

	template <>
	struct ratio_string<tera, char32_t>
	{
		static u32string symbol() {return u32string(1, U'T');}
		static u32string prefix()  {return u32string(U"tera");}
	};

#endif

	template <>
	struct ratio_string<tera, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'T');}
		static wstring prefix()  {return wstring(L"tera");}
	};

	// peta

	template <>
	struct ratio_string<peta, char>
	{
		static string symbol() {return string(1, 'P');}
		static string prefix()  {return string("peta");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<peta, char16_t>
	{
		static u16string symbol() {return u16string(1, u'P');}
		static u16string prefix()  {return u16string(u"peta");}
	};

	template <>
	struct ratio_string<peta, char32_t>
	{
		static u32string symbol() {return u32string(1, U'P');}
		static u32string prefix()  {return u32string(U"peta");}
	};

#endif

	template <>
	struct ratio_string<peta, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'P');}
		static wstring prefix()  {return wstring(L"peta");}
	};

	// exa

	template <>
	struct ratio_string<exa, char>
	{
		static string symbol() {return string(1, 'E');}
		static string prefix()  {return string("exa");}
	};

#if HAS_UNICODE_SUPPORT

	template <>
	struct ratio_string<exa, char16_t>
	{
		static u16string symbol() {return u16string(1, u'E');}
		static u16string prefix()  {return u16string(u"exa");}
	};

	template <>
	struct ratio_string<exa, char32_t>
	{
		static u32string symbol() {return u32string(1, U'E');}
		static u32string prefix()  {return u32string(U"exa");}
	};

#endif

	template <>
	struct ratio_string<exa, wchar_t>
	{
		static wstring symbol() {return wstring(1, L'E');}
		static wstring prefix()  {return wstring(L"exa");}
	};
}

#endif  // _RATIO_IO

